21523390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16183}}^1$

素因数の和:16216

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 25086530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16183, 32366, 80915, 113281, 161830, 226562, 307477, 566405, 614954, 1132810, 1537385, 2152339, 3074770, 4304678, 10761695, 21523390]

約数ペア:

[(1, 21523390), (2, 10761695), (5, 4304678), (7, 3074770), (10, 2152339), (14, 1537385), (19, 1132810), (35, 614954), (38, 566405), (70, 307477), (95, 226562), (133, 161830), (190, 113281), (266, 80915), (665, 32366), (1330, 16183)]